Mercurial > hg > truffle
diff src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp @ 545:58054a18d735
6484959: G1: introduce survivor spaces
6797754: G1: combined bugfix
Summary: Implemented a policy to control G1 survivor space parameters.
Reviewed-by: tonyp, iveresov
author | apetrusenko |
---|---|
date | Fri, 06 Feb 2009 01:38:50 +0300 |
parents | 818efdefcc99 |
children | 0fbdb4381b99 4f360ec815ba |
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--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Thu Feb 05 11:42:10 2009 -0800 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Fri Feb 06 01:38:50 2009 +0300 @@ -90,7 +90,7 @@ HeapRegion* _curr_scan_only; HeapRegion* _survivor_head; - HeapRegion* _survivors_tail; + HeapRegion* _survivor_tail; size_t _survivor_length; void empty_list(HeapRegion* list); @@ -105,6 +105,7 @@ bool is_empty() { return _length == 0; } size_t length() { return _length; } size_t scan_only_length() { return _scan_only_length; } + size_t survivor_length() { return _survivor_length; } void rs_length_sampling_init(); bool rs_length_sampling_more(); @@ -120,6 +121,7 @@ HeapRegion* first_region() { return _head; } HeapRegion* first_scan_only_region() { return _scan_only_head; } HeapRegion* first_survivor_region() { return _survivor_head; } + HeapRegion* last_survivor_region() { return _survivor_tail; } HeapRegion* par_get_next_scan_only_region() { MutexLockerEx x(ParGCRareEvent_lock, Mutex::_no_safepoint_check_flag); HeapRegion* ret = _curr_scan_only; @@ -219,7 +221,7 @@ // The to-space memory regions into which objects are being copied during // a GC. HeapRegion* _gc_alloc_regions[GCAllocPurposeCount]; - uint _gc_alloc_region_counts[GCAllocPurposeCount]; + size_t _gc_alloc_region_counts[GCAllocPurposeCount]; // A list of the regions that have been set to be alloc regions in the // current collection. @@ -281,8 +283,8 @@ // Returns "true" iff none of the gc alloc regions have any allocations // since the last call to "save_marks". bool all_alloc_regions_no_allocs_since_save_marks(); - // Calls "note_end_of_copying on all gc alloc_regions. - void all_alloc_regions_note_end_of_copying(); + // Perform finalization stuff on all allocation regions. + void retire_all_alloc_regions(); // The number of regions allocated to hold humongous objects. int _num_humongous_regions; @@ -351,6 +353,10 @@ // that parallel threads might be attempting allocations. void par_allocate_remaining_space(HeapRegion* r); + // Retires an allocation region when it is full or at the end of a + // GC pause. + void retire_alloc_region(HeapRegion* alloc_region, bool par); + // Helper function for two callbacks below. // "full", if true, indicates that the GC is for a System.gc() request, // and should collect the entire heap. If "clear_all_soft_refs" is true,